Update.

48 files changed, 3622 insertions, 0 deletions

diff --git a/sysdeps/ieee754/ldbl-96/e_acoshl.c b/sysdeps/ieee754/ldbl-96/e_acoshl.c
new file mode 100644
index 0000000000..a60704aa29
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_acoshl.c
@@ -0,0 +1,72 @@
+/* e_acoshl.c -- long double version of e_acosh.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_acoshl(x)
+ * Method :
+ *	Based on
+ *		acoshl(x) = logl [ x + sqrtl(x*x-1) ]
+ *	we have
+ *		acoshl(x) := logl(x)+ln2,	if x is large; else
+ *		acoshl(x) := logl(2x-1/(sqrtl(x*x-1)+x)) if x>2; else
+ *		acoshl(x) := log1pl(t+sqrtl(2.0*t+t*t)); where t=x-1.
+ *
+ * Special cases:
+ *	acoshl(x) is NaN with signal if x<1.
+ *	acoshl(NaN) is NaN without signal.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+one	= 1.0,
+ln2	= 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
+
+#ifdef __STDC__
+	long double __ieee754_acoshl(long double x)
+#else
+	long double __ieee754_acoshl(x)
+	long double x;
+#endif
+{
+	long double t;
+	u_int32_t se,i0,i1;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	if(se<0x3fff || se & 0x8000) {	/* x < 1 */
+	    return (x-x)/(x-x);
+	} else if(se >=0x401b) {	/* x > 2**28 */
+	    if(se >=0x7fff) {		/* x is inf of NaN */
+	        return x+x;
+	    } else
+		return __ieee754_logl(x)+ln2;	/* acoshl(huge)=logl(2x) */
+	} else if(((se-0x3fff)|i0|i1)==0) {
+	    return 0.0;			/* acosh(1) = 0 */
+	} else if (se > 0x4000) {	/* 2**28 > x > 2 */
+	    t=x*x;
+	    return __ieee754_logl(2.0*x-one/(x+__ieee754_sqrtl(t-one)));
+	} else {			/* 1<x<2 */
+	    t = x-one;
+	    return __log1pl(t+__sqrtl(2.0*t+t*t));
+	}
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_atan2l.c b/sysdeps/ieee754/ldbl-96/e_atan2l.c
new file mode 100644
index 0000000000..aff7a3d976
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_atan2l.c
@@ -0,0 +1,136 @@
+/* e_atan2l.c -- long double version of e_atan2.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_atan2l(y,x)
+ * Method :
+ *	1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
+ *	2. Reduce x to positive by (if x and y are unexceptional):
+ *		ARG (x+iy) = arctan(y/x)   	   ... if x > 0,
+ *		ARG (x+iy) = pi - arctan[y/(-x)]   ... if x < 0,
+ *
+ * Special cases:
+ *
+ *	ATAN2((anything), NaN ) is NaN;
+ *	ATAN2(NAN , (anything) ) is NaN;
+ *	ATAN2(+-0, +(anything but NaN)) is +-0  ;
+ *	ATAN2(+-0, -(anything but NaN)) is +-pi ;
+ *	ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2;
+ *	ATAN2(+-(anything but INF and NaN), +INF) is +-0 ;
+ *	ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
+ *	ATAN2(+-INF,+INF ) is +-pi/4 ;
+ *	ATAN2(+-INF,-INF ) is +-3pi/4;
+ *	ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
+ *
+ * Constants:
+ * The hexadecimal values are the intended ones for the following
+ * constants. The decimal values may be used, provided that the
+ * compiler will convert from decimal to binary accurately enough
+ * to produce the hexadecimal values shown.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+tiny  = 1.0e-4900L,
+zero  = 0.0,
+pi_o_4  = 7.85398163397448309628202E-01L, /* 0x3FFE, 0xC90FDAA2, 0x2168C235 */
+pi_o_2  = 1.5707963267948966192564E+00L,  /* 0x3FFF, 0xC90FDAA2, 0x2168C235 */
+pi      = 3.14159265358979323851281E+00L, /* 0x4000, 0xC90FDAA2, 0x2168C235 */
+pi_lo   = -5.01655761266833202345176e-20L;/* 0xBFBE, 0xECE675D1, 0xFC8F8CBB */
+
+#ifdef __STDC__
+	long double __ieee754_atan2l(long double y, long double x)
+#else
+	long double __ieee754_atan2l(y,x)
+	long double  y,x;
+#endif
+{
+	long double z;
+	int32_t k,m,hx,hy,ix,iy;
+	u_int32_t sx,sy,lx,ly;
+
+	GET_LDOUBLE_WORDS(sx,hx,lx,x);
+	ix = sx&0x7fff;
+	lx |= hx & 0x7fffffff;
+	GET_LDOUBLE_WORDS(sy,hy,ly,y);
+	iy = sy&0x7fff;
+	ly |= hy & 0x7fffffff;
+	if(((2*ix|((lx|-lx)>>31))>0xfffe)||
+	   ((2*iy|((ly|-ly)>>31))>0xfffe))	/* x or y is NaN */
+	   return x+y;
+	if((sx-0x3fff|lx)==0) return __atanl(y);   /* x=1.0 */
+	m = ((sy>>15)&1)|((sx>>14)&2);	/* 2*sign(x)+sign(y) */
+
+    /* when y = 0 */
+	if((iy|ly)==0) {
+	    switch(m) {
+		case 0:
+		case 1: return y; 	/* atan(+-0,+anything)=+-0 */
+		case 2: return  pi+tiny;/* atan(+0,-anything) = pi */
+		case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
+	    }
+	}
+    /* when x = 0 */
+	if((ix|lx)==0) return (sy>=0x8000)?  -pi_o_2-tiny: pi_o_2+tiny;
+
+    /* when x is INF */
+	if(ix==0x7fff) {
+	    if(iy==0x7fff) {
+		switch(m) {
+		    case 0: return  pi_o_4+tiny;/* atan(+INF,+INF) */
+		    case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */
+		    case 2: return  3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/
+		    case 3: return -3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/
+		}
+	    } else {
+		switch(m) {
+		    case 0: return  zero  ;	/* atan(+...,+INF) */
+		    case 1: return -zero  ;	/* atan(-...,+INF) */
+		    case 2: return  pi+tiny  ;	/* atan(+...,-INF) */
+		    case 3: return -pi-tiny  ;	/* atan(-...,-INF) */
+		}
+	    }
+	}
+    /* when y is INF */
+	if(iy==0x7fff) return (sy>=0x8000)? -pi_o_2-tiny: pi_o_2+tiny;
+
+    /* compute y/x */
+	k = sy-sx;
+	if(k > 70) z=pi_o_2+0.5*pi_lo; 	/* |y/x| >  2**70 */
+	else if(sx>=0x8000&&k<-70) z=0.0; 	/* |y|/x < -2**70 */
+	else z=__atanl(fabsl(y/x));	/* safe to do y/x */
+	switch (m) {
+	    case 0: return       z  ;	/* atan(+,+) */
+	    case 1: {
+	    	      u_int32_t sz;
+		      GET_LDOUBLE_EXP(sz,z);
+		      SET_LDOUBLE_EXP(z,sz ^ 0x8000);
+		    }
+		    return       z  ;	/* atan(-,+) */
+	    case 2: return  pi-(z-pi_lo);/* atan(+,-) */
+	    default: /* case 3 */
+	    	    return  (z-pi_lo)-pi;/* atan(-,-) */
+	}
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_atanhl.c b/sysdeps/ieee754/ldbl-96/e_atanhl.c
new file mode 100644
index 0000000000..fdcd1e9fe8
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_atanhl.c
@@ -0,0 +1,79 @@
+/* s_atanhl.c -- long double version of s_atan.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_atanhl(x)
+ * Method :
+ *    1.Reduced x to positive by atanh(-x) = -atanh(x)
+ *    2.For x>=0.5
+ *                   1              2x                          x
+ *	atanhl(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
+ *                   2             1 - x                      1 - x
+ *
+ * 	For x<0.5
+ *	atanhl(x) = 0.5*log1pl(2x+2x*x/(1-x))
+ *
+ * Special cases:
+ *	atanhl(x) is NaN if |x| > 1 with signal;
+ *	atanhl(NaN) is that NaN with no signal;
+ *	atanhl(+-1) is +-INF with signal.
+ *
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double one = 1.0, huge = 1e4900L;
+#else
+static long double one = 1.0, huge = 1e4900L;
+#endif
+
+#ifdef __STDC__
+static const long double zero = 0.0;
+#else
+static double long zero = 0.0;
+#endif
+
+#ifdef __STDC__
+	long double __ieee754_atanhl(long double x)
+#else
+	long double __ieee754_atanhl(x)
+	long double x;
+#endif
+{
+	long double t;
+	int32_t ix;
+	u_int32_t se,i0,i1;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	ix = se&0x7fff;
+	if ((ix+((((i0&0x7fffffff)|i1)|(-((i0&0x7fffffff)|i1)))>>31))>0x3fff)
+	  /* |x|>1 */
+	    return (x-x)/(x-x);
+	if(ix==0x3fff)
+	    return x/zero;
+	if(ix<0x3fe3&&(huge+x)>zero) return x;	/* x<2**-28 */
+	SET_LDOUBLE_EXP(x,ix);
+	if(ix<0x3ffe) {		/* x < 0.5 */
+	    t = x+x;
+	    t = 0.5*__log1pl(t+t*x/(one-x));
+	} else
+	    t = 0.5*__log1pl((x+x)/(one-x));
+	if(se<=0x7fff) return t; else return -t;
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_coshl.c b/sysdeps/ieee754/ldbl-96/e_coshl.c
new file mode 100644
index 0000000000..6af846cb2d
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_coshl.c
@@ -0,0 +1,94 @@
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
+#endif
+
+/* __ieee754_coshl(x)
+ * Method :
+ * mathematically coshl(x) if defined to be (exp(x)+exp(-x))/2
+ *	1. Replace x by |x| (coshl(x) = coshl(-x)).
+ *	2.
+ *		                                        [ exp(x) - 1 ]^2
+ *	    0        <= x <= ln2/2  :  coshl(x) := 1 + -------------------
+ *			       			           2*exp(x)
+ *
+ *		                                   exp(x) +  1/exp(x)
+ *	    ln2/2    <= x <= 22     :  coshl(x) := -------------------
+ *			       			           2
+ *	    22       <= x <= lnovft :  coshl(x) := expl(x)/2
+ *	    lnovft   <= x <= ln2ovft:  coshl(x) := expl(x/2)/2 * expl(x/2)
+ *	    ln2ovft  <  x	    :  coshl(x) := huge*huge (overflow)
+ *
+ * Special cases:
+ *	coshl(x) is |x| if x is +INF, -INF, or NaN.
+ *	only coshl(0)=1 is exact for finite x.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double one = 1.0, half=0.5, huge = 1.0e4900L;
+#else
+static long double one = 1.0, half=0.5, huge = 1.0e4900L;
+#endif
+
+#ifdef __STDC__
+	long double __ieee754_coshl(long double x)
+#else
+	long double __ieee754_coshl(x)
+	long double x;
+#endif
+{
+	long double t,w;
+	int32_t ex;
+	u_int32_t mx,lx;
+
+    /* High word of |x|. */
+	GET_LDOUBLE_WORDS(ex,mx,lx,x);
+	ex &= 0x7fff;
+
+    /* x is INF or NaN */
+	if(ex==0x7fff) return x*x;
+
+    /* |x| in [0,0.5*ln2], return 1+expm1l(|x|)^2/(2*expl(|x|)) */
+	if(ex < 0x3ffd || (ex == 0x3ffd && mx < 0xb17217f7u)) {
+	    t = __expm1l(fabsl(x));
+	    w = one+t;
+	    if (ex<0x3fbc) return w;	/* cosh(tiny) = 1 */
+	    return one+(t*t)/(w+w);
+	}
+
+    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
+	if (ex < 0x4003 || (ex == 0x4003 && mx < 0xb0000000u)) {
+		t = __ieee754_expl(fabsl(x));
+		return half*t+half/t;
+	}
+
+    /* |x| in [22, ln(maxdouble)] return half*exp(|x|) */
+	if (ex < 0x400c || (ex == 0x400c && mx < 0xb1700000u))
+		return half*__ieee754_expl(fabsl(x));
+
+    /* |x| in [log(maxdouble), overflowthresold] */
+	if (ex < 0x400d
+	    || (ex == 0x400d && (mx < 0xb170b513u
+				  || (mx == 0xb170b513u && lx < 0xa1dfd60cu))))
+	{
+	    w = __ieee754_expl(half*fabsl(x));
+	    t = half*w;
+	    return t*w;
+	}
+
+    /* |x| > overflowthresold, cosh(x) overflow */
+	return huge*huge;
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_gammal_r.c b/sysdeps/ieee754/ldbl-96/e_gammal_r.c
new file mode 100644
index 0000000000..104992450b
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_gammal_r.c
@@ -0,0 +1,50 @@
+/* Implementation of gamma function according to ISO C.
+   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+#include <math_private.h>
+
+
+long double
+__ieee754_gammal_r (long double x, int *signgamp)
+{
+  /* We don't have a real gamma implementation now.  We'll use lgamma
+     and the exp function.  But due to the required boundary
+     conditions we must check some values separately.  */
+  u_int32_t es, hx, lx;
+
+  GET_LDOUBLE_WORDS (es, hx, lx, x);
+
+  if (((es & 0x7fff) | hx | lx) == 0)
+    {
+      /* Return value for x == 0 is NaN with invalid exception.  */
+      *signgamp = 0;
+      return x / x;
+    }
+  if ((hx & 0x8000) != 0 && (hx & 0x7fff) != 0x7fff && __rintl (x) == x)
+    {
+      /* Return value for integer x < 0 is NaN with invalid exception.  */
+      *signgamp = 0;
+      return (x - x) / (x - x);
+    }
+
+  /* XXX FIXME.  */
+  return __ieee754_expl (__ieee754_lgammal_r (x, signgamp));
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_hypotl.c b/sysdeps/ieee754/ldbl-96/e_hypotl.c
new file mode 100644
index 0000000000..1a40c556dc
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_hypotl.c
@@ -0,0 +1,133 @@
+/* e_hypotl.c -- long double version of e_hypot.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_hypotl(x,y)
+ *
+ * Method :
+ *	If (assume round-to-nearest) z=x*x+y*y
+ *	has error less than sqrt(2)/2 ulp, than
+ *	sqrt(z) has error less than 1 ulp (exercise).
+ *
+ *	So, compute sqrt(x*x+y*y) with some care as
+ *	follows to get the error below 1 ulp:
+ *
+ *	Assume x>y>0;
+ *	(if possible, set rounding to round-to-nearest)
+ *	1. if x > 2y  use
+ *		x1*x1+(y*y+(x2*(x+x1))) for x*x+y*y
+ *	where x1 = x with lower 32 bits cleared, x2 = x-x1; else
+ *	2. if x <= 2y use
+ *		t1*y1+((x-y)*(x-y)+(t1*y2+t2*y))
+ *	where t1 = 2x with lower 32 bits cleared, t2 = 2x-t1,
+ *	y1= y with lower 32 bits chopped, y2 = y-y1.
+ *
+ *	NOTE: scaling may be necessary if some argument is too
+ *	      large or too tiny
+ *
+ * Special cases:
+ *	hypot(x,y) is INF if x or y is +INF or -INF; else
+ *	hypot(x,y) is NAN if x or y is NAN.
+ *
+ * Accuracy:
+ * 	hypot(x,y) returns sqrt(x^2+y^2) with error less
+ * 	than 1 ulps (units in the last place)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __ieee754_hypotl(long double x, long double y)
+#else
+	long double __ieee754_hypotl(x,y)
+	long double x, y;
+#endif
+{
+	long double a,b,t1,t2,y1,y2,w;
+	u_int32_t j,k,ea,eb;
+
+	GET_LDOUBLE_EXP(ea,x);
+	ea &= 0x7fff;
+	GET_LDOUBLE_EXP(eb,y);
+	eb &= 0x7fff;
+	if(eb > ea) {a=y;b=x;j=ea; ea=eb;eb=j;} else {a=x;b=y;}
+	SET_LDOUBLE_EXP(a,ea);	/* a <- |a| */
+	SET_LDOUBLE_EXP(b,eb);	/* b <- |b| */
+	if((ea-eb)>0x46) {return a+b;} /* x/y > 2**70 */
+	k=0;
+	if(ea > 0x5f3f) {	/* a>2**8000 */
+	   if(ea == 0x7fff) {	/* Inf or NaN */
+	       u_int32_t exp,high,low;
+	       w = a+b;			/* for sNaN */
+	       GET_LDOUBLE_WORDS(exp,high,low,a);
+	       if(((high&0x7fffffff)|low)==0) w = a;
+	       GET_LDOUBLE_WORDS(exp,high,low,b);
+	       if(((eb^0x7fff)|(high&0x7fffffff)|low)==0) w = b;
+	       return w;
+	   }
+	   /* scale a and b by 2**-9600 */
+	   ea -= 0x2580; eb -= 0x2580;	k += 9600;
+	   SET_LDOUBLE_EXP(a,ea);
+	   SET_LDOUBLE_EXP(b,eb);
+	}
+	if(eb < 0x20bf) {	/* b < 2**-8000 */
+	    if(eb == 0) {	/* subnormal b or 0 */
+	        u_int32_t exp,high,low;
+		GET_LDOUBLE_WORDS(exp,high,low,b);
+		if((high|low)==0) return a;
+		SET_LDOUBLE_WORDS(t1, 0x7ffd, 0, 0);	/* t1=2^16382 */
+		b *= t1;
+		a *= t1;
+		k -= 16382;
+	    } else {		/* scale a and b by 2^9600 */
+	        ea += 0x2580; 	/* a *= 2^9600 */
+		eb += 0x2580;	/* b *= 2^9600 */
+		k -= 9600;
+		SET_LDOUBLE_EXP(a,ea);
+		SET_LDOUBLE_EXP(b,eb);
+	    }
+	}
+    /* medium size a and b */
+	w = a-b;
+	if (w>b) {
+	    u_int32_t high;
+	    GET_LDOUBLE_MSW(high,a);
+	    SET_LDOUBLE_WORDS(t1,ea,high,0);
+	    t2 = a-t1;
+	    w  = __ieee754_sqrtl(t1*t1-(b*(-b)-t2*(a+t1)));
+	} else {
+	    u_int32_t high;
+	    GET_LDOUBLE_MSW(high,b);
+	    a  = a+a;
+	    SET_LDOUBLE_WORDS(y1,eb,high,0);
+	    y2 = b - y1;
+	    GET_LDOUBLE_MSW(high,a);
+	    SET_LDOUBLE_WORDS(t1,ea+1,high,0);
+	    t2 = a - t1;
+	    w  = __ieee754_sqrtl(t1*y1-(w*(-w)-(t1*y2+t2*b)));
+	}
+	if(k!=0) {
+	    u_int32_t exp;
+	    t1 = 1.0;
+	    GET_LDOUBLE_EXP(exp,t1);
+	    SET_LDOUBLE_EXP(t1,exp+k);
+	    return t1*w;
+	} else return w;
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_remainderl.c b/sysdeps/ieee754/ldbl-96/e_remainderl.c
new file mode 100644
index 0000000000..e721a6e8cd
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_remainderl.c
@@ -0,0 +1,83 @@
+/* e_remainderl.c -- long double version of e_remainder.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_remainderl(x,p)
+ * Return :
+ * 	returns  x REM p  =  x - [x/p]*p as if in infinite
+ * 	precise arithmetic, where [x/p] is the (infinite bit)
+ *	integer nearest x/p (in half way case choose the even one).
+ * Method :
+ *	Based on fmod() return x-[x/p]chopped*p exactlp.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double zero = 0.0;
+#else
+static long double zero = 0.0;
+#endif
+
+
+#ifdef __STDC__
+	long double __ieee754_remainderl(long double x, long double p)
+#else
+	long double __ieee754_remainderl(x,p)
+	long double x,p;
+#endif
+{
+	u_int32_t sx,sex,sep,x0,x1,p0,p1;
+	long double p_half;
+
+	GET_LDOUBLE_WORDS(sex,x0,x1,x);
+	GET_LDOUBLE_WORDS(sep,p0,p1,p);
+	sx = sex&0x8000;
+	sep &= 0x7fff;
+	sex &= 0x7fff;
+
+    /* purge off exception values */
+	if((sep|p0|p1)==0) return (x*p)/(x*p); 	/* p = 0 */
+	if((sex==0x7fff)||			/* x not finite */
+	  ((sep==0x7fff)&&			/* p is NaN */
+	   ((p0|p1)!=0)))
+	    return (x*p)/(x*p);
+
+
+	if (sep<0x7ffe) x = __ieee754_fmodl(x,p+p);	/* now x < 2p */
+	if (((sex-sep)|(x0-p0)|(x1-p1))==0) return zero*x;
+	x  = fabsl(x);
+	p  = fabsl(p);
+	if (sep<0x0002) {
+	    if(x+x>p) {
+		x-=p;
+		if(x+x>=p) x -= p;
+	    }
+	} else {
+	    p_half = 0.5*p;
+	    if(x>p_half) {
+		x-=p;
+		if(x>=p_half) x -= p;
+	    }
+	}
+	GET_LDOUBLE_EXP(sex,x);
+	SET_LDOUBLE_EXP(x,sex^sx);
+	return x;
+}
diff --git a/sysdeps/ieee754/ldbl-96/e_sinhl.c b/sysdeps/ieee754/ldbl-96/e_sinhl.c
new file mode 100644
index 0000000000..4f9cfe2c38
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/e_sinhl.c
@@ -0,0 +1,91 @@
+/* e_asinhl.c -- long double version of e_asinh.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_sinhl(x)
+ * Method :
+ * mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
+ *	1. Replace x by |x| (sinhl(-x) = -sinhl(x)).
+ *	2.
+ *		                                     E + E/(E+1)
+ *	    0        <= x <= 25     :  sinhl(x) := --------------, E=expm1l(x)
+ *			       			         2
+ *
+ *	    25       <= x <= lnovft :  sinhl(x) := expl(x)/2
+ *	    lnovft   <= x <= ln2ovft:  sinhl(x) := expl(x/2)/2 * expl(x/2)
+ *	    ln2ovft  <  x	    :  sinhl(x) := x*shuge (overflow)
+ *
+ * Special cases:
+ *	sinhl(x) is |x| if x is +INF, -INF, or NaN.
+ *	only sinhl(0)=0 is exact for finite x.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double one = 1.0, shuge = 1.0e4931L;
+#else
+static long double one = 1.0, shuge = 1.0e4931L;
+#endif
+
+#ifdef __STDC__
+	long double __ieee754_sinhl(long double x)
+#else
+	long double __ieee754_sinhl(x)
+	long double x;
+#endif
+{
+	long double t,w,h;
+	u_int32_t jx,ix,i0,i1;
+
+    /* Words of |x|. */
+	GET_LDOUBLE_WORDS(jx,i0,i1,x);
+	ix = jx&0x7fff;
+
+    /* x is INF or NaN */
+	if(ix==0x7fff) return x+x;
+
+	h = 0.5;
+	if (jx & 0x8000) h = -h;
+    /* |x| in [0,25], return sign(x)*0.5*(E+E/(E+1))) */
+	if (ix < 0x4003 || (ix == 0x4003 && i0 <= 0xc8000000)) { /* |x|<25 */
+	    if (ix<0x3fe3) 		/* |x|<2**-28 */
+		if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
+	    t = __expm1l(fabsl(x));
+	    if(ix<0x3fff) return h*(2.0*t-t*t/(t+one));
+	    return h*(t+t/(t+one));
+	}
+
+    /* |x| in [25, log(maxdouble)] return 0.5*exp(|x|) */
+	if (ix < 0x400c || (ix == 0x400c && i0 < 0xb17217f7))
+		return h*__ieee754_expl(fabsl(x));
+
+    /* |x| in [log(maxdouble), overflowthreshold] */
+	if (ix<0x400c || (ix == 0x400c && (i0 < 0xb174ddc0
+					   || (i0 == 0xb174ddc0
+					       && i1 <= 0x31aec0ea)))) {
+	    w = __ieee754_expl(0.5*fabsl(x));
+	    t = h*w;
+	    return t*w;
+	}
+
+    /* |x| > overflowthreshold, sinhl(x) overflow */
+	return x*shuge;
+}
diff --git a/sysdeps/ieee754/ldbl-96/ldbl2mpn.c b/sysdeps/ieee754/ldbl-96/ldbl2mpn.c
new file mode 100644
index 0000000000..78e0b7097f
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/ldbl2mpn.c
@@ -0,0 +1,95 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include "longlong.h"
+#include <ieee754.h>
+#include <float.h>
+#include <math.h>
+#include <stdlib.h>
+
+/* Convert a `long double' in IEEE854 standard double-precision format to a
+   multi-precision integer representing the significand scaled up by its
+   number of bits (64 for long double) and an integral power of two
+   (MPN frexpl). */
+
+mp_size_t
+__mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
+			   int *expt, int *is_neg,
+			   long double value)
+{
+  union ieee854_long_double u;
+  u.d = value;
+
+  *is_neg = u.ieee.negative;
+  *expt = (int) u.ieee.exponent - IEEE854_LONG_DOUBLE_BIAS;
+
+#if BITS_PER_MP_LIMB == 32
+  res_ptr[0] = u.ieee.mantissa1; /* Low-order 32 bits of fraction.  */
+  res_ptr[1] = u.ieee.mantissa0; /* High-order 32 bits.  */
+  #define N 2
+#elif BITS_PER_MP_LIMB == 64
+  /* Hopefully the compiler will combine the two bitfield extracts
+     and this composition into just the original quadword extract.  */
+  res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1;
+  #define N 1
+#else
+  #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
+#endif
+
+  if (u.ieee.exponent == 0)
+    {
+      /* A biased exponent of zero is a special case.
+	 Either it is a zero or it is a denormal number.  */
+      if (res_ptr[0] == 0 && res_ptr[N - 1] == 0) /* Assumes N<=2.  */
+	/* It's zero.  */
+	*expt = 0;
+      else
+	{
+          /* It is a denormal number, meaning it has no implicit leading
+  	     one bit, and its exponent is in fact the format minimum.  */
+	  int cnt;
+
+	  if (res_ptr[N - 1] != 0)
+	    {
+	      count_leading_zeros (cnt, res_ptr[N - 1]);
+	      if (cnt != 0)
+		{
+#if N == 2
+	          res_ptr[N - 1] = res_ptr[N - 1] << cnt
+			           | (res_ptr[0] >> (BITS_PER_MP_LIMB - cnt));
+	          res_ptr[0] <<= cnt;
+#else
+	          res_ptr[N - 1] <<= cnt;
+#endif
+		}
+	      *expt = LDBL_MIN_EXP - 1 - cnt;
+	    }
+	  else
+	    {
+	      count_leading_zeros (cnt, res_ptr[0]);
+	      res_ptr[N - 1] = res_ptr[0] << cnt;
+	      res_ptr[0] = 0;
+	      *expt = LDBL_MIN_EXP - 1 - BITS_PER_MP_LIMB - cnt;
+	    }
+	}
+    }
+
+  return N;
+}
diff --git a/sysdeps/ieee754/ldbl-96/math_ldbl.h b/sysdeps/ieee754/ldbl-96/math_ldbl.h
new file mode 100644
index 0000000000..dccc4a1240
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/math_ldbl.h
@@ -0,0 +1,98 @@
+#ifndef _MATH_PRIVATE_H_
+#error "Never use <math_ldbl.h> directly; include <math_private.h> instead."
+#endif
+
+/* A union which permits us to convert between a long double and
+   three 32 bit ints.  */
+
+#if __FLOAT_WORD_ORDER == BIG_ENDIAN
+
+typedef union
+{
+  long double value;
+  struct
+  {
+    unsigned int sign_exponent:16;
+    unsigned int empty:16;
+    u_int32_t msw;
+    u_int32_t lsw;
+  } parts;
+} ieee_long_double_shape_type;
+
+#endif
+
+#if __FLOAT_WORD_ORDER == LITTLE_ENDIAN
+
+typedef union
+{
+  long double value;
+  struct
+  {
+    u_int32_t lsw;
+    u_int32_t msw;
+    unsigned int sign_exponent:16;
+    unsigned int empty:16;
+  } parts;
+} ieee_long_double_shape_type;
+
+#endif
+
+/* Get three 32 bit ints from a double.  */
+
+#define GET_LDOUBLE_WORDS(exp,ix0,ix1,d)			\
+do {								\
+  ieee_long_double_shape_type ew_u;				\
+  ew_u.value = (d);						\
+  (exp) = ew_u.parts.sign_exponent;				\
+  (ix0) = ew_u.parts.msw;					\
+  (ix1) = ew_u.parts.lsw;					\
+} while (0)
+
+/* Set a double from two 32 bit ints.  */
+
+#define SET_LDOUBLE_WORDS(d,exp,ix0,ix1)			\
+do {								\
+  ieee_long_double_shape_type iw_u;				\
+  iw_u.parts.sign_exponent = (exp);				\
+  iw_u.parts.msw = (ix0);					\
+  iw_u.parts.lsw = (ix1);					\
+  (d) = iw_u.value;						\
+} while (0)
+
+/* Get the more significant 32 bits of a long double mantissa.  */
+
+#define GET_LDOUBLE_MSW(v,d)					\
+do {								\
+  ieee_long_double_shape_type sh_u;				\
+  sh_u.value = (d);						\
+  (v) = sh_u.parts.msw;						\
+} while (0)
+
+/* Set the more significant 32 bits of a long double mantissa from an int.  */
+
+#define SET_LDOUBLE_MSW(d,v)					\
+do {								\
+  ieee_long_double_shape_type sh_u;				\
+  sh_u.value = (d);						\
+  sh_u.parts.msw = (v);						\
+  (d) = sh_u.value;						\
+} while (0)
+
+/* Get int from the exponent of a long double.  */
+
+#define GET_LDOUBLE_EXP(exp,d)					\
+do {								\
+  ieee_long_double_shape_type ge_u;				\
+  ge_u.value = (d);						\
+  (exp) = ge_u.parts.sign_exponent;				\
+} while (0)
+
+/* Set exponent of a long double from an int.  */
+
+#define SET_LDOUBLE_EXP(d,exp)					\
+do {								\
+  ieee_long_double_shape_type se_u;				\
+  se_u.value = (d);						\
+  se_u.parts.sign_exponent = (exp);				\
+  (d) = se_u.value;						\
+} while (0)
diff --git a/sysdeps/ieee754/ldbl-96/mpn2ldbl.c b/sysdeps/ieee754/ldbl-96/mpn2ldbl.c
new file mode 100644
index 0000000000..1f049ba12e
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/mpn2ldbl.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "gmp.h"
+#include "gmp-impl.h"
+#include <ieee754.h>
+#include <float.h>
+#include <math.h>
+
+/* Convert a multi-precision integer of the needed number of bits (64 for
+   long double) and an integral power of two to a `long double' in IEEE854
+   extended-precision format.  */
+
+long double
+__mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign)
+{
+  union ieee854_long_double u;
+
+  u.ieee.negative = sign;
+  u.ieee.exponent = expt + IEEE854_LONG_DOUBLE_BIAS;
+#if BITS_PER_MP_LIMB == 32
+  u.ieee.mantissa1 = frac_ptr[0];
+  u.ieee.mantissa0 = frac_ptr[1];
+#elif BITS_PER_MP_LIMB == 64
+  u.ieee.mantissa1 = frac_ptr[0] & ((1L << 32) - 1);
+  u.ieee.mantissa0 = frac_ptr[0] >> 32;
+#else
+  #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
+#endif
+
+  return u.d;
+}
diff --git a/sysdeps/ieee754/ldbl-96/printf_fphex.c b/sysdeps/ieee754/ldbl-96/printf_fphex.c
new file mode 100644
index 0000000000..8dfa387df5
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/printf_fphex.c
@@ -0,0 +1,61 @@
+#ifndef LONG_DOUBLE_DENORM_BIAS
+# define LONG_DOUBLE_DENORM_BIAS (IEEE854_LONG_DOUBLE_BIAS - 1)
+#endif
+
+#define PRINT_FPHEX_LONG_DOUBLE							\
+do {										\
+      /* The "strange" 80 bit format on ix86 and m68k has an explicit		\
+	 leading digit in the 64 bit mantissa.  */				\
+      unsigned long long int num;						\
+										\
+      assert (sizeof (long double) == 12);					\
+										\
+      num = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32		\
+	     | fpnum.ldbl.ieee.mantissa1);					\
+										\
+      zero_mantissa = num == 0;							\
+										\
+      if (sizeof (unsigned long int) > 6)					\
+	numstr = _itoa_word (num, numbuf + sizeof numbuf, 16,			\
+			     info->spec == 'A');				\
+      else									\
+	numstr = _itoa (num, numbuf + sizeof numbuf, 16, info->spec == 'A');	\
+										\
+      /* Fill with zeroes.  */							\
+      while (numstr > numbuf + (sizeof numbuf - 64 / 4))			\
+	*--numstr = '0';							\
+										\
+      /* We use a full nibble for the leading digit.  */			\
+      leading = *numstr++;							\
+										\
+      /* We have 3 bits from the mantissa in the leading nibble.		\
+	 Therefore we are here using `IEEE854_LONG_DOUBLE_BIAS + 3'.  */	\
+      exponent = fpnum.ldbl.ieee.exponent;					\
+										\
+      if (exponent == 0)							\
+	{									\
+	  if (zero_mantissa)							\
+	    expnegative = 0;							\
+	  else									\
+	    {									\
+	      /* This is a denormalized number.  */				\
+	      expnegative = 1;							\
+	      /* This is a hook for the m68k long double format, where the	\
+		 exponent bias is the same for normalized and denormalized	\
+		 numbers.  */							\
+	      exponent = LONG_DOUBLE_DENORM_BIAS + 3;				\
+	    }									\
+	}									\
+      else if (exponent >= IEEE854_LONG_DOUBLE_BIAS + 3)			\
+	{									\
+	  expnegative = 0;							\
+	  exponent -= IEEE854_LONG_DOUBLE_BIAS + 3;				\
+	}									\
+      else									\
+	{									\
+	  expnegative = 1;							\
+	  exponent = -(exponent - (IEEE854_LONG_DOUBLE_BIAS + 3));		\
+	}									\
+} while (0)
+
+#include <sysdeps/generic/printf_fphex.c>
diff --git a/sysdeps/ieee754/ldbl-96/s_asinhl.c b/sysdeps/ieee754/ldbl-96/s_asinhl.c
new file mode 100644
index 0000000000..6eb434c44b
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_asinhl.c
@@ -0,0 +1,70 @@
+/* s_asinhl.c -- long double version of s_asinh.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* asinhl(x)
+ * Method :
+ *	Based on
+ *		asinhl(x) = signl(x) * logl [ |x| + sqrtl(x*x+1) ]
+ *	we have
+ *	asinhl(x) := x  if  1+x*x=1,
+ *		  := signl(x)*(logl(x)+ln2)) for large |x|, else
+ *		  := signl(x)*logl(2|x|+1/(|x|+sqrtl(x*x+1))) if|x|>2, else
+ *		  := signl(x)*log1pl(|x| + x^2/(1 + sqrtl(1+x^2)))
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+one =  1.000000000000000000000e+00L, /* 0x3FFF, 0x00000000, 0x00000000 */
+ln2 =  6.931471805599453094287e-01L, /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
+huge=  1.000000000000000000e+4900L;
+
+#ifdef __STDC__
+	long double __asinhl(long double x)
+#else
+	long double __asinhl(x)
+	long double x;
+#endif
+{
+	long double t,w;
+	int32_t hx,ix;
+	GET_LDOUBLE_EXP(hx,x);
+	ix = hx&0x7fff;
+	if(ix==0x7fff) return x+x;	/* x is inf or NaN */
+	if(ix< 0x3fde) {	/* |x|<2**-34 */
+	    if(huge+x>one) return x;	/* return x inexact except 0 */
+	}
+	if(ix>0x4020) {		/* |x| > 2**34 */
+	    w = __ieee754_logl(fabsl(x))+ln2;
+	} else if (ix>0x4000) {	/* 2**34 > |x| > 2.0 */
+	    t = fabsl(x);
+	    w = __ieee754_logl(2.0*t+one/(__ieee754_sqrtl(x*x+one)+t));
+	} else {		/* 2.0 > |x| > 2**-28 */
+	    t = x*x;
+	    w =__log1pl(fabsl(x)+t/(one+__ieee754_sqrtl(one+t)));
+	}
+	if(hx&0x8000) return -w; else return w;
+}
+weak_alias (__asinhl, asinhl)
diff --git a/sysdeps/ieee754/ldbl-96/s_cbrtl.c b/sysdeps/ieee754/ldbl-96/s_cbrtl.c
new file mode 100644
index 0000000000..1d021b7c3c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_cbrtl.c
@@ -0,0 +1,78 @@
+/* Compute cubic root of double value.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Dirk Alboth <dirka@uni-paderborn.de> and
+   Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "math.h"
+#include "math_private.h"
+
+
+#define CBRT2 1.2599210498948731648		/* 2^(1/3) */
+#define SQR_CBRT2 1.5874010519681994748		/* 2^(2/3) */
+
+/* We don't use long double values here since U need not be computed
+   with full precision.  */
+static const double factor[5] =
+{
+  1.0 / SQR_CBRT2,
+  1.0 / CBRT2,
+  1.0,
+  CBRT2,
+  SQR_CBRT2
+};
+
+
+long double
+__cbrtl (long double x)
+{
+  long double xm, ym, u, t2;
+  int xe;
+
+  /* Reduce X.  XM now is an range 1.0 to 0.5.  */
+  xm = __frexpl (fabs (x), &xe);
+
+  /* If X is not finite or is null return it (with raising exceptions
+     if necessary.
+     Note: *Our* version of `frexp' sets XE to zero if the argument is
+     Inf or NaN.  This is not portable but faster.  */
+  if (xe == 0 && fpclassify (x) <= FP_ZERO)
+    return x + x;
+
+  u = (0.338058687610520237
+       + (1.67595307700780102
+	  + (-2.82414939754975962
+	     + (4.09559907378707839 +
+		(-4.11151425200350531
+		 + (2.65298938441952296 +
+		    (-0.988553671195413709
+		     + 0.161617097923756032 * xm)
+		    * xm)
+		 * xm)
+		* xm)
+	     * xm)
+	  * xm)
+       *xm);
+
+  t2 = u * u * u;
+
+  ym = u * (t2 + 2.0 * xm) / (2.0 * t2 + xm) * factor[2 + xe % 3];
+
+  return __ldexpl (x > 0.0 ? ym : -ym, xe / 3);
+}
+weak_alias (__cbrtl, cbrtl)
diff --git a/sysdeps/ieee754/ldbl-96/s_ceill.c b/sysdeps/ieee754/ldbl-96/s_ceill.c
new file mode 100644
index 0000000000..d53f3954ba
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_ceill.c
@@ -0,0 +1,89 @@
+/* s_ceill.c -- long double version of s_ceil.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * ceill(x)
+ * Return x rounded toward -inf to integral value
+ * Method:
+ *	Bit twiddling.
+ * Exception:
+ *	Inexact flag raised if x not equal to ceil(x).
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double huge = 1.0e4930;
+#else
+static long double huge = 1.0e4930;
+#endif
+
+#ifdef __STDC__
+	long double __ceill(long double x)
+#else
+	long double __ceill(x)
+	long double x;
+#endif
+{
+	int32_t i1,j0;
+	u_int32_t i,j,se,i0,sx;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	sx = (se>>15)&1;
+	j0 = (se&0x7fff)-0x3fff;
+	if(j0<31) {
+	    if(j0<0) { 	/* raise inexact if x != 0 */
+		if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
+		    if(sx) {se=0x8000;i0=0;i1=0;}
+		    else if((i0|i1)!=0) { se=0x3fff;i0=0;i1=0;}
+		}
+	    } else {
+		i = (0x7fffffff)>>j0;
+		if(((i0&i)|i1)==0) return x; /* x is integral */
+		if(huge+x>0.0) {	/* raise inexact flag */
+		    if(sx==0) {
+			if (j0>0) i0 += (0x80000000)>>j0;
+			else ++se;
+		    }
+		    i0 &= (~i); i1=0;
+		}
+	    }
+	} else if (j0>62) {
+	    if(j0==0x4000) return x+x;	/* inf or NaN */
+	    else return x;		/* x is integral */
+	} else {
+	    i = ((u_int32_t)(0xffffffff))>>(j0-31);
+	    if((i1&i)==0) return x;	/* x is integral */
+	    if(huge+x>0.0) { 		/* raise inexact flag */
+		if(sx==0) {
+		    if(j0==31) i0+=1;
+		    else {
+			j = i1 + (1<<(63-j0));
+			if(j<i1) i0+=1;	/* got a carry */
+			i1 = j;
+		    }
+		}
+		i1 &= (~i);
+	    }
+	}
+	SET_LDOUBLE_WORDS(x,se,i0,i1);
+	return x;
+}
+weak_alias (__ceill, ceill)
diff --git a/sysdeps/ieee754/ldbl-96/s_copysignl.c b/sysdeps/ieee754/ldbl-96/s_copysignl.c
new file mode 100644
index 0000000000..9976575b3b
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_copysignl.c
@@ -0,0 +1,43 @@
+/* s_copysignl.c -- long double version of s_copysign.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * copysignl(long double x, long double y)
+ * copysignl(x,y) returns a value with the magnitude of x and
+ * with the sign bit of y.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __copysignl(long double x, long double y)
+#else
+	long double __copysignl(x,y)
+	long double x,y;
+#endif
+{
+	u_int32_t es1,es2;
+	GET_LDOUBLE_EXP(es1,x);
+	GET_LDOUBLE_EXP(es2,y);
+	SET_LDOUBLE_EXP(x,(es1&0x7fff)|(es2&0x8000));
+        return x;
+}
+weak_alias (__copysignl, copysignl)
diff --git a/sysdeps/ieee754/ldbl-96/s_cosl.c b/sysdeps/ieee754/ldbl-96/s_cosl.c
new file mode 100644
index 0000000000..9765f7fd4e
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_cosl.c
@@ -0,0 +1,88 @@
+/* s_cosl.c -- long double version of s_cos.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* cosl(x)
+ * Return cosine function of x.
+ *
+ * kernel function:
+ *	__kernel_sinl		... sine function on [-pi/4,pi/4]
+ *	__kernel_cosl		... cosine function on [-pi/4,pi/4]
+ *	__ieee754_rem_pio2l	... argument reduction routine
+ *
+ * Method.
+ *      Let S,C and T denote the sin, cos and tan respectively on
+ *	[-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
+ *	in [-pi/4 , +pi/4], and let n = k mod 4.
+ *	We have
+ *
+ *          n        sin(x)      cos(x)        tan(x)
+ *     ----------------------------------------------------------
+ *	    0	       S	   C		 T
+ *	    1	       C	  -S		-1/T
+ *	    2	      -S	  -C		 T
+ *	    3	      -C	   S		-1/T
+ *     ----------------------------------------------------------
+ *
+ * Special cases:
+ *      Let trig be any of sin, cos, or tan.
+ *      trig(+-INF)  is NaN, with signals;
+ *      trig(NaN)    is that NaN;
+ *
+ * Accuracy:
+ *	TRIG(x) returns trig(x) nearly rounded
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __cosl(long double x)
+#else
+	long double __cosl(x)
+	long double x;
+#endif
+{
+	long double y[2],z=0.0;
+	int32_t n, se, i0, i1;
+
+    /* High word of x. */
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+
+    /* |x| ~< pi/4 */
+	se &= 0x7fff;
+	if(se < 0x3ffe || (se == 0x3ffe && i0 <= 0xc90fdaa2))
+	  return __kernel_cosl(x,z);
+
+    /* cos(Inf or NaN) is NaN */
+	else if (se==0x7fff) return x-x;
+
+    /* argument reduction needed */
+	else {
+	    n = __ieee754_rem_pio2l(x,y);
+	    switch(n&3) {
+		case 0: return  __kernel_cosl(y[0],y[1]);
+		case 1: return -__kernel_sinl(y[0],y[1],1);
+		case 2: return -__kernel_cosl(y[0],y[1]);
+		default:
+		        return  __kernel_sinl(y[0],y[1],1);
+	    }
+	}
+}
+weak_alias (__cosl, cosl)
diff --git a/sysdeps/ieee754/ldbl-96/s_fabsl.c b/sysdeps/ieee754/ldbl-96/s_fabsl.c
new file mode 100644
index 0000000000..f7170503fb
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_fabsl.c
@@ -0,0 +1,40 @@
+/* s_fabsl.c -- long double version of s_fabs.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * fabsl(x) returns the absolute value of x.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __fabsl(long double x)
+#else
+	long double __fabsl(x)
+	long double x;
+#endif
+{
+	u_int32_t exp;
+	GET_LDOUBLE_EXP(exp,x);
+	SET_LDOUBLE_EXP(x,exp&0x7fff);
+        return x;
+}
+weak_alias (__fabsl, fabsl)
diff --git a/sysdeps/ieee754/ldbl-96/s_finitel.c b/sysdeps/ieee754/ldbl-96/s_finitel.c
new file mode 100644
index 0000000000..6e444e90d0
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_finitel.c
@@ -0,0 +1,40 @@
+/* s_finitel.c -- long double version of s_finite.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * finitel(x) returns 1 is x is finite, else 0;
+ * no branching!
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	int __finitel(long double x)
+#else
+	int __finitel(x)
+	long double x;
+#endif
+{
+	int32_t exp;
+	GET_LDOUBLE_EXP(exp,x);
+	return (int)((u_int32_t)((exp&0x7fff)-0x7fff)>>31);
+}
+weak_alias (__finitel, finitel)
diff --git a/sysdeps/ieee754/ldbl-96/s_floorl.c b/sysdeps/ieee754/ldbl-96/s_floorl.c
new file mode 100644
index 0000000000..fb0c37e801
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_floorl.c
@@ -0,0 +1,90 @@
+/* s_floorl.c -- long double version of s_floor.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * floorl(x)
+ * Return x rounded toward -inf to integral value
+ * Method:
+ *	Bit twiddling.
+ * Exception:
+ *	Inexact flag raised if x not equal to floor(x).
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double huge = 1.0e4930;
+#else
+static long double huge = 1.0e4930;
+#endif
+
+#ifdef __STDC__
+	long double __floorl(long double x)
+#else
+	long double __floorl(x)
+	long double x;
+#endif
+{
+	int32_t i1,j0;
+	u_int32_t i,j,se,i0,sx;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	sx = (se>>15)&1;
+	j0 = (se&0x7fff)-0x3fff;
+	if(j0<31) {
+	    if(j0<0) { 	/* raise inexact if x != 0 */
+		if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
+		    if(sx==0) {se=0;i0=i1=0;}
+		    else if(((se&0x7fff)|i0|i1)!=0)
+			{ se=0xbfff;i0=i1=0;}
+		}
+	    } else {
+		i = (0x7fffffff)>>j0;
+		if(((i0&i)|i1)==0) return x; /* x is integral */
+		if(huge+x>0.0) {	/* raise inexact flag */
+		    if(sx) {
+			if (j0>0) i0 += (0x80000000)>>j0;
+			else ++se;
+		    }
+		    i0 &= (~i); i1=0;
+		}
+	    }
+	} else if (j0>62) {
+	    if(j0==0x4000) return x+x;	/* inf or NaN */
+	    else return x;		/* x is integral */
+	} else {
+	    i = ((u_int32_t)(0xffffffff))>>(j0-31);
+	    if((i1&i)==0) return x;	/* x is integral */
+	    if(huge+x>0.0) { 		/* raise inexact flag */
+		if(sx) {
+		    if(j0==31) i0+=1;
+		    else {
+			j = i1+(1<<(63-j0));
+			if(j<i1) i0 +=1 ; 	/* got a carry */
+			i1=j;
+		    }
+		}
+		i1 &= (~i);
+	    }
+	}
+	SET_LDOUBLE_WORDS(x,se,i0,i1);
+	return x;
+}
+weak_alias (__floorl, floorl)
diff --git a/sysdeps/ieee754/ldbl-96/s_fpclassifyl.c b/sysdeps/ieee754/ldbl-96/s_fpclassifyl.c
new file mode 100644
index 0000000000..4df0b44f75
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_fpclassifyl.c
@@ -0,0 +1,44 @@
+/* Return classification value corresponding to argument.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+   Fixed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+int
+__fpclassifyl (long double x)
+{
+  u_int32_t ex, hx, lx, m;
+  int retval = FP_NORMAL;
+
+  GET_LDOUBLE_WORDS (ex, hx, lx, x);
+  m = (hx & 0x7fffffff) | lx;
+  ex &= 0x7fff;
+  if ((ex | m) == 0)
+    retval = FP_ZERO;
+  else if (ex == 0 && (hx & 0x80000000) == 0)
+    retval = FP_SUBNORMAL;
+  else if (ex == 0x7fff)
+    retval = m != 0 ? FP_NAN : FP_INFINITE;
+
+  return retval;
+}
diff --git a/sysdeps/ieee754/ldbl-96/s_frexpl.c b/sysdeps/ieee754/ldbl-96/s_frexpl.c
new file mode 100644
index 0000000000..7a49bc37c8
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_frexpl.c
@@ -0,0 +1,69 @@
+/* s_frexpl.c -- long double version of s_frexp.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * for non-zero x
+ *	x = frexpl(arg,&exp);
+ * return a long double fp quantity x such that 0.5 <= |x| <1.0
+ * and the corresponding binary exponent "exp". That is
+ *	arg = x*2^exp.
+ * If arg is inf, 0.0, or NaN, then frexpl(arg,&exp) returns arg
+ * with *exp=0.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+#if LDBL_MANT_DIG == 64
+two65 =  3.68934881474191032320e+19L; /* 0x4040, 0x80000000, 0x00000000 */
+#else
+# error "Cannot handle this MANT_DIG"
+#endif
+
+
+#ifdef __STDC__
+	long double __frexpl(long double x, int *eptr)
+#else
+	long double __frexpl(x, eptr)
+	long double x; int *eptr;
+#endif
+{
+	u_int32_t se, hx, ix, lx;
+	GET_LDOUBLE_WORDS(se,hx,lx,x);
+	ix = 0x7fff&se;
+	*eptr = 0;
+	if(ix==0x7fff||((ix|hx|lx)==0)) return x;	/* 0,inf,nan */
+	if (ix==0x0000) {		/* subnormal */
+	    x *= two65;
+	    GET_LDOUBLE_EXP(se,x);
+	    ix = se&0x7fff;
+	    *eptr = -65;
+	}
+	*eptr += ix-16382;
+	se = (se & 0x8000) | 0x3ffe;
+	SET_LDOUBLE_EXP(x,se);
+	return x;
+}
+weak_alias (__frexpl, frexpl)
diff --git a/sysdeps/ieee754/ldbl-96/s_ilogbl.c b/sysdeps/ieee754/ldbl-96/s_ilogbl.c
new file mode 100644
index 0000000000..d44229dcda
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_ilogbl.c
@@ -0,0 +1,56 @@
+/* s_ilogbl.c -- long double version of s_ilogb.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* ilogbl(long double x)
+ * return the binary exponent of non-zero x
+ * ilogbl(0) = 0x80000001
+ * ilogbl(inf/NaN) = 0x7fffffff (no signal is raised)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	int __ilogbl(long double x)
+#else
+	int __ilogbl(x)
+	long double x;
+#endif
+{
+	int32_t es,hx,lx,ix;
+
+	GET_LDOUBLE_EXP(es,x);
+	es &= 0x7fff;
+	if(es==0) {
+	    GET_LDOUBLE_WORDS(es,hx,lx,x);
+	    if((hx|lx)==0)
+		return FP_ILOGB0;	/* ilogbl(0) = FP_ILOGB0 */
+	    else			/* subnormal x */
+		if(hx==0) {
+		    for (ix = -16415; lx>0; lx<<=1) ix -=1;
+		} else {
+		    for (ix = -16383; hx>0; hx<<=1) ix -=1;
+		}
+	    return ix;
+	}
+	else if (es<0x7fff) return es-0x3fff;
+	else return FP_ILOGBNAN;
+}
+weak_alias (__ilogbl, ilogbl)
diff --git a/sysdeps/ieee754/ldbl-96/s_isinfl.c b/sysdeps/ieee754/ldbl-96/s_isinfl.c
new file mode 100644
index 0000000000..6f7c07c5af
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_isinfl.c
@@ -0,0 +1,29 @@
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Change for long double by Ulrich Drepper <drepper@cygnus.com>.
+ * Public domain.
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * isinfl(x) returns 1 if x is inf, -1 if x is -inf, else 0;
+ * no branching!
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+int
+__isinfl (long double x)
+{
+	int32_t se,hx,lx;
+	GET_LDOUBLE_WORDS(se,hx,lx,x);
+	lx |= (hx & 0x7fffffff) | ((se & 0x7fff) ^ 0x7fff);
+	lx |= -lx;
+	se &= 0x8000;
+	return ~(lx >> 31) & (1 - (se >> 14));
+}
+weak_alias (__isinfl, isinfl)
diff --git a/sysdeps/ieee754/ldbl-96/s_isnanl.c b/sysdeps/ieee754/ldbl-96/s_isnanl.c
new file mode 100644
index 0000000000..0a7ff38433
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_isnanl.c
@@ -0,0 +1,44 @@
+/* s_isnanl.c -- long double version of s_isnan.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * isnanl(x) returns 1 is x is nan, else 0;
+ * no branching!
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	int __isnanl(long double x)
+#else
+	int __isnanl(x)
+	long double x;
+#endif
+{
+	int32_t se,hx,lx;
+	GET_LDOUBLE_WORDS(se,hx,lx,x);
+	se = (se & 0x7fff) << 1;
+	lx |= hx & 0x7fffffff;
+	se |= (u_int32_t)(lx|(-lx))>>31;
+	se = 0xfffe - se;
+	return (int)(((u_int32_t)(se))>>31);
+}
+weak_alias (__isnanl, isnanl)
diff --git a/sysdeps/ieee754/ldbl-96/s_llrintl.c b/sysdeps/ieee754/ldbl-96/s_llrintl.c
new file mode 100644
index 0000000000..2aeaa1e102
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_llrintl.c
@@ -0,0 +1,77 @@
+/* Round argument to nearest integral value according to current rounding
+   direction.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+static const long double two63[2] =
+{
+  9.223372036854775808000000e+18, /* 0x403E, 0x00000000, 0x00000000 */
+ -9.223372036854775808000000e+18  /* 0xC03E, 0x00000000, 0x00000000 */
+};
+
+
+long long int
+__llrintl (long double x)
+{
+  int32_t se,j0;
+  u_int32_t i0, i1;
+  long long int result;
+  volatile long double w;
+  long double t;
+  int sx;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+
+  sx = (se >> 15) & 1;
+  j0 = (se & 0x7fff) - 0x3fff;
+
+  if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
+    {
+      if (j0 < -1)
+	return 0;
+      else if (j0 >= 63)
+	result = (((long long int) i0 << 32) | i1) << (j0 - 63);
+      else
+	{
+	  w = two63[sx] + x;
+	  t = w - two63[sx];
+	  GET_LDOUBLE_WORDS (se, i0, i1, t);
+	  j0 = (se & 0x7fff) - 0x3fff;
+
+	  if (j0 < 31)
+	    result = i0 >> (31 - j0);
+	  else
+	    result = ((long long int) i0 << (j0 - 31)) | (i1 >> (63 - j0));
+	}
+    }
+  else
+    {
+      /* The number is too large.  It is left implementation defined
+	 what happens.  */
+      return (long long int) x;
+    }
+
+  return sx ? -result : result;
+}
+
+weak_alias (__llrintl, llrintl)
diff --git a/sysdeps/ieee754/ldbl-96/s_llroundl.c b/sysdeps/ieee754/ldbl-96/s_llroundl.c
new file mode 100644
index 0000000000..4a537c871e
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_llroundl.c
@@ -0,0 +1,81 @@
+/* Round long double value to long long int.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+long long int
+__llroundl (long double x)
+{
+  int32_t j0;
+  u_int32_t se, i1, i0;
+  long long int result;
+  int sign;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+  j0 = (se & 0x7fff) - 0x3fff;
+  sign = (se & 0x8000) != 0 ? -1 : 1;
+
+  if (j0 < 31)
+    {
+      if (j0 < 0)
+	return j0 < -1 ? 0 : sign;
+      else
+	{
+	  u_int32_t j = i0 + (0x40000000 >> j0);
+	  if (j < i0)
+	    {
+	      j >>= 1;
+	      j |= 0x80000000;
+	      ++j0;
+	    }
+
+	  result = j >> (31 - j0);
+	}
+    }
+  else if (j0 < (int32_t) (8 * sizeof (long long int)) - 1)
+    {
+      if (j0 >= 63)
+	result = (((long long int) i0 << 32) | i1) << (j0 - 63);
+      else
+	{
+	  u_int32_t j = i1 + (0x80000000 >> (j0 - 31));
+	  if (j < i1)
+	    ++i0;
+
+	  if (j0 == 31)
+	    result = (long long int) i0;
+	  else
+	    result = ((long long int) i0 << (j0 - 31)) | (j >> (63 - j0));
+	}
+    }
+  else
+    {
+      /* The number is too large.  It is left implementation defined
+	 what happens.  */
+      return (long long int) x;
+    }
+
+  return sign * result;
+}
+
+weak_alias (__llroundl, llroundl)
diff --git a/sysdeps/ieee754/ldbl-96/s_logbl.c b/sysdeps/ieee754/ldbl-96/s_logbl.c
new file mode 100644
index 0000000000..2cd9d105f8
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_logbl.c
@@ -0,0 +1,47 @@
+/* s_logbl.c -- long double version of s_logb.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * long double logbl(x)
+ * IEEE 754 logb. Included to pass IEEE test suite. Not recommend.
+ * Use ilogb instead.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __logbl(long double x)
+#else
+	long double __logbl(x)
+	long double x;
+#endif
+{
+	int32_t es,lx,ix;
+	GET_LDOUBLE_WORDS(es,ix,lx,x);
+	es &= 0x7fff;				/* exponent */
+	if((es|ix|lx)==0) return -1.0/fabs(x);
+	if(es==0x7fff) return x*x;
+	if(es==0) 			/* IEEE 754 logb */
+		return -16382.0;
+	else
+		return (long double) (es-0x3fff);
+}
+weak_alias (__logbl, logbl)
diff --git a/sysdeps/ieee754/ldbl-96/s_lrintl.c b/sysdeps/ieee754/ldbl-96/s_lrintl.c
new file mode 100644
index 0000000000..673cf3d9db
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_lrintl.c
@@ -0,0 +1,86 @@
+/* Round argument to nearest integral value according to current rounding
+   direction.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+static const long double two63[2] =
+{
+  9.223372036854775808000000e+18, /* 0x403E, 0x00000000, 0x00000000 */
+ -9.223372036854775808000000e+18  /* 0xC03E, 0x00000000, 0x00000000 */
+};
+
+
+long int
+__lrintl (long double x)
+{
+  int32_t se,j0;
+  u_int32_t i0, i1;
+  long int result;
+  volatile long double w;
+  long double t;
+  int sx;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+
+  sx = (se >> 15) & 1;
+  j0 = (se & 0x7fff) - 0x3fff;
+
+  if (j0 < 31)
+    {
+      if (j0 < -1)
+	return 0;
+      else
+	{
+	  w = two63[sx] + x;
+	  t = w - two63[sx];
+	  GET_LDOUBLE_WORDS (se, i0, i1, t);
+	  j0 = (se & 0x7fff) - 0x3fff;
+
+	  result = i0 >> (31 - j0);
+	}
+    }
+  else if (j0 < (int32_t) (8 * sizeof (long int)) - 1)
+    {
+      if (j0 >= 63)
+	result = ((long int) i0 << (j0 - 31)) | (i1 << (j0 - 63));
+      else
+	{
+	  w = two63[sx] + x;
+	  t = w - two63[sx];
+	  GET_LDOUBLE_WORDS (se, i0, i1, t);
+	  j0 = (se & 0x7fff) - 0x3fff;
+
+	  result = ((long int) i0 << (j0 - 31)) | (i1 >> (63 - j0));
+	}
+    }
+  else
+    {
+      /* The number is too large.  It is left implementation defined
+	 what happens.  */
+      return (long int) x;
+    }
+
+  return sx ? -result : result;
+}
+
+weak_alias (__lrintl, lrintl)
diff --git a/sysdeps/ieee754/ldbl-96/s_lroundl.c b/sysdeps/ieee754/ldbl-96/s_lroundl.c
new file mode 100644
index 0000000000..3bdac830b4
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_lroundl.c
@@ -0,0 +1,78 @@
+/* Round long double value to long int.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+long int
+__lroundl (long double x)
+{
+  int32_t j0;
+  u_int32_t se, i1, i0;
+  long int result;
+  int sign;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+  j0 = (se & 0x7fff) - 0x3fff;
+  sign = (se & 0x8000) != 0 ? -1 : 1;
+
+  if (j0 < 31)
+    {
+      if (j0 < 0)
+	return j0 < -1 ? 0 : sign;
+      else
+	{
+	  u_int32_t j = i0 + (0x40000000 >> j0);
+	  if (j < i0)
+	    {
+	      j >>= 1;
+	      j |= 0x80000000;
+	      ++j0;
+	    }
+
+	  result = j >> (31 - j0);
+	}
+    }
+  else if (j0 < (int32_t) (8 * sizeof (long int)) - 1)
+    {
+      if (j0 >= 63)
+	result = ((long int) i0 << (j0 - 31)) | (i1 << (j0 - 63));
+      else
+	{
+	  u_int32_t j = i1 + (0x80000000 >> (j0 - 31));
+	  if (j < i1)
+	    ++i0;
+
+	  result = ((long int) i0 << (j0 - 31)) | (j >> (63 - j0));
+	}
+    }
+  else
+    {
+      /* The number is too large.  It is left implementation defined
+	 what happens.  */
+      return (long int) x;
+    }
+
+  return sign * result;
+}
+
+weak_alias (__lroundl, lroundl)
diff --git a/sysdeps/ieee754/ldbl-96/s_modfl.c b/sysdeps/ieee754/ldbl-96/s_modfl.c
new file mode 100644
index 0000000000..fb1b3acf30
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_modfl.c
@@ -0,0 +1,85 @@
+/* s_modfl.c -- long double version of s_modf.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * modfl(long double x, long double *iptr)
+ * return fraction part of x, and return x's integral part in *iptr.
+ * Method:
+ *	Bit twiddling.
+ *
+ * Exception:
+ *	No exception.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double one = 1.0;
+#else
+static long double one = 1.0;
+#endif
+
+#ifdef __STDC__
+	long double __modfl(long double x, long double *iptr)
+#else
+	long double __modfl(x, iptr)
+	long double x,*iptr;
+#endif
+{
+	int32_t i0,i1,j0;
+	u_int32_t i,se;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	j0 = (se&0x7fff)-0x3fff;	/* exponent of x */
+	if(j0<32) {			/* integer part in high x */
+	    if(j0<0) {			/* |x|<1 */
+	        SET_LDOUBLE_WORDS(*iptr,se&0x8000,0,0);	/* *iptr = +-0 */
+		return x;
+	    } else {
+		i = (0x7fffffff)>>j0;
+		if(((i0&i)|i1)==0) {		/* x is integral */
+		    *iptr = x;
+		    SET_LDOUBLE_WORDS(x,se&0x8000,0,0);	/* return +-0 */
+		    return x;
+		} else {
+		    SET_LDOUBLE_WORDS(*iptr,se,i0&(~i),0);
+		    return x - *iptr;
+		}
+	    }
+	} else if (j0>63) {		/* no fraction part */
+	    *iptr = x*one;
+	    /* We must handle NaNs separately.  */
+	    if (j0 == 0x4000 && ((i0 & 0x7fffffff) | i1))
+	      return x*one;
+	    SET_LDOUBLE_WORDS(x,se&0x8000,0,0);	/* return +-0 */
+	    return x;
+	} else {			/* fraction part in low x */
+	    i = ((u_int32_t)(0xffffffff))>>(j0-32);
+	    if((i1&i)==0) { 		/* x is integral */
+		*iptr = x;
+		SET_LDOUBLE_WORDS(x,se&0x8000,0,0);	/* return +-0 */
+		return x;
+	    } else {
+		SET_LDOUBLE_WORDS(*iptr,se,i0,i1&(~i));
+		return x - *iptr;
+	    }
+	}
+}
+weak_alias (__modfl, modfl)
diff --git a/sysdeps/ieee754/ldbl-96/s_nearbyintl.c b/sysdeps/ieee754/ldbl-96/s_nearbyintl.c
new file mode 100644
index 0000000000..92c3ebf368
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_nearbyintl.c
@@ -0,0 +1,95 @@
+/* s_rintl.c -- long double version of s_rint.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+/* Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>.  */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * rintl(x)
+ * Return x rounded to integral value according to the prevailing
+ * rounding mode.
+ * Method:
+ *	Using floating addition.
+ * Exception:
+ *	Inexact flag raised if x not equal to rintl(x).
+ */
+
+#include <fenv.h>
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+TWO63[2]={
+  9.223372036854775808000000e+18, /* 0x403E, 0x00000000, 0x00000000 */
+ -9.223372036854775808000000e+18  /* 0xC03E, 0x00000000, 0x00000000 */
+};
+
+#ifdef __STDC__
+	long double __nearbyintl(long double x)
+#else
+	long double __nearbyintl(x)
+	long double x;
+#endif
+{
+	fenv_t env;
+	int32_t se,j0,sx;
+	u_int32_t i,i0,i1;
+	long double w,t;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	sx = (se>>15)&1;
+	j0 = (se&0x7fff)-0x3fff;
+	if(j0<31) {
+	    if(j0<0) {
+		if(((se&0x7fff)|i0|i1)==0) return x;
+		i1 |= i0;
+		i0 &= 0xe0000000;
+		i0 |= (i1|-i1)&0x80000000;
+		SET_LDOUBLE_MSW(x,i0);
+		feholdexcept (&env);
+	        w = TWO63[sx]+x;
+	        t = w-TWO63[sx];
+		fesetenv (&env);
+		GET_LDOUBLE_EXP(i0,t);
+		SET_LDOUBLE_EXP(t,(i0&0x7fff)|(sx<<15));
+	        return t;
+	    } else {
+		i = (0x7fffffff)>>j0;
+		if(((i0&i)|i1)==0) return x; /* x is integral */
+		i>>=1;
+		if(((i0&i)|i1)!=0) {
+		    if (j0==30) i1 = 0x40000000; else
+		    i0 = (i0&(~i))|((0x20000000)>>j0);
+		}
+	    }
+	} else if (j0>62) {
+	    if(j0==0x4000) return x+x;	/* inf or NaN */
+	    else return x;		/* x is integral */
+	} else {
+	    i = ((u_int32_t)(0xffffffff))>>(j0-31);
+	    if((i1&i)==0) return x;	/* x is integral */
+	    i>>=1;
+	    if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-31));
+	}
+	SET_LDOUBLE_WORDS(x,se,i0,i1);
+	feholdexcept (&env);
+	w = TWO63[sx]+x;
+	t = w-TWO63[sx];
+	fesetenv (&env);
+	return t;
+}
+weak_alias (__nearbyintl, nearbyintl)
diff --git a/sysdeps/ieee754/ldbl-96/s_nextafterl.c b/sysdeps/ieee754/ldbl-96/s_nextafterl.c
new file mode 100644
index 0000000000..aea57e3086
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_nextafterl.c
@@ -0,0 +1,101 @@
+/* s_nextafterl.c -- long double version of s_nextafter.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* IEEE functions
+ *	nextafterl(x,y)
+ *	return the next machine floating-point number of x in the
+ *	direction toward y.
+ *   Special cases:
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __nextafterl(long double x, long double y)
+#else
+	long double __nextafterl(x,y)
+	long double x,y;
+#endif
+{
+	int32_t hx,hy,ix,iy;
+	u_int32_t lx,ly,esx,esy;
+
+	GET_LDOUBLE_WORDS(esx,hx,lx,x);
+	GET_LDOUBLE_WORDS(esy,hy,ly,y);
+	ix = esx&0x7fff;		/* |x| */
+	iy = esy&0x7fff;		/* |y| */
+
+	if(((ix==0x7fff)&&((hx|lx)|-(hx|lx))!=0) ||   /* x is nan */
+	   ((iy==0x7fff)&&((hy|ly)|-(hy|ly))!=0))     /* y is nan */
+	   return x+y;
+	if(x==y) return y;		/* x=y, return y */
+	if((ix|hx|lx)==0) {			/* x == 0 */
+	    SET_LDOUBLE_WORDS(x,esx&0x8000,0,1);/* return +-minsubnormal */
+	    y = x*x;
+	    if(y==x) return y; else return x;	/* raise underflow flag */
+	}
+	if(esx<0x8000) {			/* x > 0 */
+	    if(ix>iy||((ix==iy) && (hx>hy||((hx==hy)&&(lx>ly))))) {
+	      /* x > y, x -= ulp */
+		if(lx==0) {
+		    if (hx==0) esx -= 1;
+		    hx -= 1;
+		}
+		lx -= 1;
+	    } else {				/* x < y, x += ulp */
+		lx += 1;
+		if(lx==0) {
+		    hx += 1;
+		    if (hx==0)
+			esx += 1;
+		}
+	    }
+	} else {				/* x < 0 */
+	    if(esy>=0||(ix>iy||((ix==iy)&&(hx>hy||((hx==hy)&&(lx>ly)))))){
+	      /* x < y, x -= ulp */
+		if(lx==0) {
+		    if (hx==0) esx -= 1;
+		    hx -= 1;
+		}
+		lx -= 1;
+	    } else {				/* x > y, x += ulp */
+		lx += 1;
+		if(lx==0) {
+		    hx += 1;
+		    if (hx==0) esx += 1;
+		}
+	    }
+	}
+	esy = esx&0x7fff;
+	if(esy==0x7fff) return x+x;	/* overflow  */
+	if(esy==0) {			/* underflow */
+	    y = x*x;
+	    if(y!=x) {		/* raise underflow flag */
+	        SET_LDOUBLE_WORDS(y,esx,hx,lx);
+		return y;
+	    }
+	}
+	SET_LDOUBLE_WORDS(x,esx,hx,lx);
+	return x;
+}
+weak_alias (__nextafterl, nextafterl)
+strong_alias (__nextafterl, __nexttowardl)
+weak_alias (__nextafterl, nexttowardl)
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttoward.c b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
new file mode 100644
index 0000000000..debbb86a3c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
@@ -0,0 +1,98 @@
+/* s_nexttoward.c
+ * Conversion from s_nextafter.c by Ulrich Drepper, Cygnus Support,
+ * drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* IEEE functions
+ *	nextafterx(x,y)
+ *	return the next machine floating-point number of x in the
+ *	direction toward y.
+ *   Special cases:
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	double __nexttoward(double x, long double y)
+#else
+	double __nexttoward(x,y)
+	double x;
+	long double y;
+#endif
+{
+	int32_t hx,ix,iy;
+	u_int32_t lx,hy,ly,esy;
+
+	EXTRACT_WORDS(hx,lx,x);
+	GET_LDOUBLE_WORDS(esy,hy,ly,y);
+	ix = hx&0x7fffffff;		/* |x| */
+	iy = esy&0x7fff;		/* |y| */
+
+	if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) ||   /* x is nan */
+	   ((iy>=0x7fff)&&((hy|ly)|-(hy|ly))!=0))           /* y is nan */
+	   return x+y;
+	if((long double) x==y) return x;	/* x=y, return x */
+	if((ix|lx)==0) {			/* x == 0 */
+	    double x2;
+	    INSERT_WORDS(x,esy&0x8000?0x80000000:0,1);/* return +-minsub */
+	    x2 = x*x;
+	    if(x2==x) return x2; else return x;	/* raise underflow flag */
+	}
+	if(hx>=0) {				/* x > 0 */
+	    if (esy>=0x8000||((ix>>20)&0x7ff)>iy-0x3c00
+		|| (((ix>>20)&0x7ff)==iy-0x3c00
+		    && (((hx<<11)|(lx>>21))>(hy&0x7fffffff)
+			|| (((hx<<11)|(lx>>21))==(hy&0x7fffffff)
+			    && (lx<<11)>ly)))) {	/* x > y, x -= ulp */
+		if(lx==0) hx -= 1;
+		lx -= 1;
+	    } else {				/* x < y, x += ulp */
+		lx += 1;
+		if(lx==0) hx += 1;
+	    }
+	} else {				/* x < 0 */
+	    if (esy<0x8000||((ix>>20)&0x7ff)>iy-0x3c00
+		|| (((ix>>20)&0x7ff)==iy-0x3c00
+		    && (((hx<<11)|(lx>>21))>(hy&0x7fffffff)
+			|| (((hx<<11)|(lx>>21))==(hy&0x7fffffff)
+			    && (lx<<11)>ly))))	{/* x < y, x -= ulp */
+		if(lx==0) hx -= 1;
+		lx -= 1;
+	    } else {				/* x > y, x += ulp */
+		lx += 1;
+		if(lx==0) hx += 1;
+	    }
+	}
+	hy = hx&0x7ff00000;
+	if(hy>=0x7ff00000) return x+x;	/* overflow  */
+	if(hy<0x00100000) {		/* underflow */
+	    double x2 = x*x;
+	    if(x2!=x) {		/* raise underflow flag */
+	        INSERT_WORDS(x2,hx,lx);
+		return x2;
+	    }
+	}
+	INSERT_WORDS(x,hx,lx);
+	return x;
+}
+weak_alias (__nexttoward, nexttoward)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__nexttoward, __nexttowardl)
+weak_alias (__nexttoward, nexttowardl)
+#endif
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
new file mode 100644
index 0000000000..b7e9f00185
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
@@ -0,0 +1,78 @@
+/* s_nexttowardf.c -- float version of s_nextafter.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	float __nexttowardf(float x, long double y)
+#else
+	float __nexttowardf(x,y)
+	float x;
+	long double y;
+#endif
+{
+	int32_t hx,ix,iy;
+	u_int32_t hy,ly,esy;
+
+	GET_FLOAT_WORD(hx,x);
+	GET_LDOUBLE_WORDS(esy,hy,ly,y);
+	ix = hx&0x7fffffff;		/* |x| */
+	iy = esy&0x7fff;		/* |y| */
+
+	if((ix>0x7f800000) ||   /* x is nan */
+	   (iy>=0x7fff&&((hy|ly)|-(hy|ly))!=0))     /* y is nan */
+	   return x+y;
+	if((long double) x==y) return y;	/* x=y, return y */
+	if(ix==0) {				/* x == 0 */
+	    float x2;
+	    SET_FLOAT_WORD(x,(esy&0x8000?0x80000000:0)|1);/* return +-minsub*/
+	    x2 = x*x;
+	    if(x2==x) return x2; else return x;	/* raise underflow flag */
+	}
+	if(hx>=0) {				/* x > 0 */
+	    if(esy>=0x8000||((ix>>23)&0xff)>iy-0x3f80
+	       || (((ix>>23)&0xff)==iy-0x3f80
+		   && ((ix&0x7fffff)<<8)>(hy&0x7fffffff))) {/* x > y, x -= ulp */
+		hx -= 1;
+	    } else {				/* x < y, x += ulp */
+		hx += 1;
+	    }
+	} else {				/* x < 0 */
+	    if(esy<0x8000||((ix>>23)&0xff)>iy-0x3f80
+	       || (((ix>>23)&0xff)==iy-0x3f80
+		   && ((ix&0x7fffff)<<8)>(hy&0x7fffffff))) {/* x < y, x -= ulp */
+		hx -= 1;
+	    } else {				/* x > y, x += ulp */
+		hx += 1;
+	    }
+	}
+	hy = hx&0x7f800000;
+	if(hy>=0x7f800000) return x+x;	/* overflow  */
+	if(hy<0x00800000) {		/* underflow */
+	    float x2 = x*x;
+	    if(x2!=x) {		/* raise underflow flag */
+	        SET_FLOAT_WORD(x2,hx);
+		return x2;
+	    }
+	}
+	SET_FLOAT_WORD(x,hx);
+	return x;
+}
+weak_alias (__nexttowardf, nexttowardf)
diff --git a/sysdeps/ieee754/ldbl-96/s_remquol.c b/sysdeps/ieee754/ldbl-96/s_remquol.c
new file mode 100644
index 0000000000..88ff298eb6
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_remquol.c
@@ -0,0 +1,109 @@
+/* Compute remainder and a congruent to the quotient.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+static const long double zero = 0.0;
+
+
+long double
+__remquol (long double x, long double p, int *quo)
+{
+  int32_t ex,ep,hx,hp;
+  u_int32_t sx,lx,lp;
+  int cquo,qs;
+
+  GET_LDOUBLE_WORDS (ex, hx, lx, x);
+  GET_LDOUBLE_WORDS (ep, hp, lp, p);
+  sx = ex & 0x8000;
+  qs = (sx ^ (ep & 0x8000)) >> 15;
+  ep &= 0x7fff;
+  ex &= 0x7fff;
+
+  /* Purge off exception values.  */
+  if ((ep | hp | lp) == 0)
+    return (x * p) / (x * p); 			/* p = 0 */
+  if ((ex == 0x7fff)				/* x not finite */
+      || ((ep == 0x7fff)			/* p is NaN */
+	  && ((hp | lp) != 0)))
+    return (x * p) / (x * p);
+
+  if (ep <= 0x7ffb)
+    x = __ieee754_fmodl (x, 8 * p);		/* now x < 8p */
+
+  if (((ex - ep) | (hx - hp) | (lx - lp)) == 0)
+    {
+      *quo = qs ? -1 : 1;
+      return zero * x;
+    }
+
+  x  = fabsl (x);
+  p  = fabsl (p);
+  cquo = 0;
+
+  if (x >= 4 * p)
+    {
+      x -= 4 * p;
+      cquo += 4;
+    }
+  if (x >= 2 * p)
+    {
+      x -= 2 * p;
+      cquo += 2;
+    }
+
+  if (ep < 0x0002)
+    {
+      if (x + x > p)
+	{
+	  x -= p;
+	  ++cquo;
+	  if (x + x >= p)
+	    {
+	      x -= p;
+	      ++cquo;
+	    }
+	}
+    }
+  else
+    {
+      long double p_half = 0.5 * p;
+      if (x > p_half)
+	{
+	  x -= p;
+	  ++cquo;
+	  if (x >= p_half)
+	    {
+	      x -= p;
+	      ++cquo;
+	    }
+	}
+    }
+
+  *quo = qs ? -cquo : cquo;
+
+  if (sx)
+    x = -x;
+  return x;
+}
+weak_alias (__remquol, remquol)
diff --git a/sysdeps/ieee754/ldbl-96/s_rintl.c b/sysdeps/ieee754/ldbl-96/s_rintl.c
new file mode 100644
index 0000000000..9d4777dcc4
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_rintl.c
@@ -0,0 +1,91 @@
+/* s_rintl.c -- long double version of s_rint.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * rintl(x)
+ * Return x rounded to integral value according to the prevailing
+ * rounding mode.
+ * Method:
+ *	Using floating addition.
+ * Exception:
+ *	Inexact flag raised if x not equal to rintl(x).
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+TWO63[2]={
+  9.223372036854775808000000e+18, /* 0x403E, 0x00000000, 0x00000000 */
+ -9.223372036854775808000000e+18  /* 0xC03E, 0x00000000, 0x00000000 */
+};
+
+#ifdef __STDC__
+	long double __rintl(long double x)
+#else
+	long double __rintl(x)
+	long double x;
+#endif
+{
+	int32_t se,j0,sx;
+	u_int32_t i,i0,i1;
+	long double w,t;
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+	sx = (se>>15)&1;
+	j0 = (se&0x7fff)-0x3fff;
+	if(j0<31) {
+	    if(j0<0) {
+		if(((se&0x7fff)|i0|i1)==0) return x;
+		i1 |= i0;
+		i0 &= 0xe0000000;
+		i0 |= (i1|-i1)&0x80000000;
+		SET_LDOUBLE_MSW(x,i0);
+	        w = TWO63[sx]+x;
+	        t = w-TWO63[sx];
+		GET_LDOUBLE_EXP(i0,t);
+		SET_LDOUBLE_EXP(t,(i0&0x7fff)|(sx<<15));
+	        return t;
+	    } else {
+		i = (0x7fffffff)>>j0;
+		if(((i0&i)|i1)==0) return x; /* x is integral */
+		i>>=1;
+		if(((i0&i)|i1)!=0) {
+		    if(j0==30) i1 = 0x40000000; else
+		    i0 = (i0&(~i))|((0x20000000)>>j0);
+		}
+	    }
+	} else if (j0>62) {
+	    if(j0==0x4000) return x+x;	/* inf or NaN */
+	    else return x;		/* x is integral */
+	} else {
+	    i = ((u_int32_t)(0xffffffff))>>(j0-31);
+	    if((i1&i)==0) return x;	/* x is integral */
+	    i>>=1;
+	    if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-31));
+	}
+	SET_LDOUBLE_WORDS(x,se,i0,i1);
+	w = TWO63[sx]+x;
+	return w-TWO63[sx];
+}
+weak_alias (__rintl, rintl)
diff --git a/sysdeps/ieee754/ldbl-96/s_roundl.c b/sysdeps/ieee754/ldbl-96/s_roundl.c
new file mode 100644
index 0000000000..d7482b9b7c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_roundl.c
@@ -0,0 +1,106 @@
+/* Round long double to integer away from zero.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+static const long double huge = 1.0e4930;
+
+
+long double
+__roundl (long double x)
+{
+  int32_t j0;
+  u_int32_t se, i1, i0;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+  j0 = (se & 0x7fff) - 0x3fff;
+  if (j0 < 31)
+    {
+      if (j0 < 0)
+	{
+	  if (huge + x > 0.0)
+	    {
+	      se &= 0x8000;
+	      i0 = i1 = 0;
+	      if (j0 == -1)
+		{
+		  se |= 0x3fff;
+		  i0 = 0x80000000;
+		}
+	    }
+	}
+      else
+	{
+	  u_int32_t i = 0x7fffffff >> j0;
+	  if (((i0 & i) | i1) == 0)
+	    /* X is integral.  */
+	    return x;
+	  if (huge + x > 0.0)
+	    {
+	      /* Raise inexact if x != 0.  */
+	      u_int32_t j = i0 + (0x40000000 >> j0);
+	      if (j < i0)
+		se += 1;
+	      i0 = (j & ~i) | 0x80000000;
+	      i1 = 0;
+	    }
+	}
+    }
+  else if (j0 > 62)
+    {
+      if (j0 == 0x4000)
+	/* Inf or NaN.  */
+	return x + x;
+      else
+	return x;
+    }
+  else
+    {
+      u_int32_t i = 0xffffffff >> (j0 - 31);
+      if ((i1 & i) == 0)
+	/* X is integral.  */
+	return x;
+
+      if (huge + x > 0.0)
+	{
+	  /* Raise inexact if x != 0.  */
+	  u_int32_t j = i1 + (1 << (62 - j0));
+	  if (j < i1)
+	    {
+	      u_int32_t k = i0 + 1;
+	      if (k < i0)
+		{
+		  se += 1;
+		  k |= 0x80000000;
+		}
+	      i0 = k;
+	    }
+	  i1 = j;
+	}
+      i1 &= ~i;
+    }
+
+  SET_LDOUBLE_WORDS (x, se, i0, i1);
+  return x;
+}
+weak_alias (__roundl, roundl)
diff --git a/sysdeps/ieee754/ldbl-96/s_scalblnl.c b/sysdeps/ieee754/ldbl-96/s_scalblnl.c
new file mode 100644
index 0000000000..8e556fabe1
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_scalblnl.c
@@ -0,0 +1,71 @@
+/* s_scalbnl.c -- long double version of s_scalbn.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * scalbnl (long double x, int n)
+ * scalbnl(x,n) returns x* 2**n  computed by  exponent
+ * manipulation rather than by actually performing an
+ * exponentiation or a multiplication.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+two63   =  4.50359962737049600000e+15,
+twom63  =  1.08420217248550443400e-19,
+huge   = 1.0e+4900L,
+tiny   = 1.0e-4900L;
+
+#ifdef __STDC__
+	long double __scalblnl (long double x, long int n)
+#else
+	long double __scalblnl (x,n)
+	long double x; long int n;
+#endif
+{
+	int32_t k,es,hx,lx;
+	GET_LDOUBLE_WORDS(es,hx,lx,x);
+        k = es&0x7fff;				/* extract exponent */
+        if (k==0) {				/* 0 or subnormal x */
+            if ((lx|(hx&0x7fffffff))==0) return x; /* +-0 */
+	    x *= two63;
+	    GET_LDOUBLE_EXP(es,x);
+	    k = (hx&0x7fff) - 63;
+	    }
+        if (k==0x7fff) return x+x;		/* NaN or Inf */
+        k = k+n;
+        if (n> 50000 || k > 0x7ffe)
+	  return huge*__copysignl(huge,x); /* overflow  */
+	if (n< -50000)
+	  return tiny*__copysignl(tiny,x);
+        if (k > 0) 				/* normal result */
+	    {SET_LDOUBLE_EXP(x,(es&0x8000)|k); return x;}
+        if (k <= -63)
+	    return tiny*__copysignl(tiny,x); 	/*underflow*/
+        k += 63;				/* subnormal result */
+	SET_LDOUBLE_EXP(x,(es&0x8000)|k);
+        return x*twom63;
+}
+weak_alias (__scalblnl, scalblnl)
diff --git a/sysdeps/ieee754/ldbl-96/s_scalbnl.c b/sysdeps/ieee754/ldbl-96/s_scalbnl.c
new file mode 100644
index 0000000000..34c52e773a
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_scalbnl.c
@@ -0,0 +1,71 @@
+/* s_scalbnl.c -- long double version of s_scalbn.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * scalbnl (long double x, int n)
+ * scalbnl(x,n) returns x* 2**n  computed by  exponent
+ * manipulation rather than by actually performing an
+ * exponentiation or a multiplication.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+two63   =  4.50359962737049600000e+15,
+twom63  =  1.08420217248550443400e-19,
+huge   = 1.0e+4900L,
+tiny   = 1.0e-4900L;
+
+#ifdef __STDC__
+	long double __scalbnl (long double x, int n)
+#else
+	long double __scalbnl (x,n)
+	long double x; int n;
+#endif
+{
+	int32_t k,es,hx,lx;
+	GET_LDOUBLE_WORDS(es,hx,lx,x);
+        k = es&0x7fff;				/* extract exponent */
+        if (k==0) {				/* 0 or subnormal x */
+            if ((lx|(hx&0x7fffffff))==0) return x; /* +-0 */
+	    x *= two63;
+	    GET_LDOUBLE_EXP(es,x);
+	    k = (hx&0x7fff) - 63;
+	    }
+        if (k==0x7fff) return x+x;		/* NaN or Inf */
+        k = k+n;
+        if (n> 50000 || k > 0x7ffe)
+	  return huge*__copysignl(huge,x); /* overflow  */
+	if (n< -50000)
+	  return tiny*__copysignl(tiny,x);
+        if (k > 0) 				/* normal result */
+	    {SET_LDOUBLE_EXP(x,(es&0x8000)|k); return x;}
+        if (k <= -63)
+	    return tiny*__copysignl(tiny,x); 	/*underflow*/
+        k += 63;				/* subnormal result */
+	SET_LDOUBLE_EXP(x,(es&0x8000)|k);
+        return x*twom63;
+}
+weak_alias (__scalbnl, scalbnl)
diff --git a/sysdeps/ieee754/ldbl-96/s_signbitl.c b/sysdeps/ieee754/ldbl-96/s_signbitl.c
new file mode 100644
index 0000000000..b12fdefff4
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_signbitl.c
@@ -0,0 +1,32 @@
+/* Return nonzero value if number is negative.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+int
+__signbitl (long double x)
+{
+  int32_t e;
+
+  GET_LDOUBLE_EXP (e, x);
+  return e & 0x8000;
+}
diff --git a/sysdeps/ieee754/ldbl-96/s_sincosl.c b/sysdeps/ieee754/ldbl-96/s_sincosl.c
new file mode 100644
index 0000000000..78c78d5619
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_sincosl.c
@@ -0,0 +1,74 @@
+/* Compute sine and cosine of argument.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+void
+__sincosl (long double x, long double *sinx, long double *cosx)
+{
+  int32_t se, i0, i1;
+
+  /* High word of x. */
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+
+  /* |x| ~< pi/4 */
+  se &= 0x7fff;
+  if (se < 0x3ffe || (se == 0x3ffe && i0 <= 0xc90fdaa2))
+    {
+      *sinx = __kernel_sinl (x, 0.0, 0);
+      *cosx = __kernel_cosl (x, 0.0);
+    }
+  else if (se == 0x7fff)
+    {
+      /* sin(Inf or NaN) is NaN */
+      *sinx = *cosx = x - x;
+    }
+  else
+    {
+      /* Argument reduction needed.  */
+      long double y[2];
+      int n;
+
+      n = __ieee754_rem_pio2l (x, y);
+      switch (n & 3)
+	{
+	case 0:
+	  *sinx = __kernel_sinl (y[0], y[1], 1);
+	  *cosx = __kernel_cosl (y[0], y[1]);
+	  break;
+	case 1:
+	  *sinx = __kernel_cosl (y[0], y[1]);
+	  *cosx = -__kernel_sinl (y[0], y[1], 1);
+	  break;
+	case 2:
+	  *sinx = -__kernel_sinl (y[0], y[1], 1);
+	  *cosx = -__kernel_cosl (y[0], y[1]);
+	  break;
+	default:
+	  *sinx = -__kernel_cosl (y[0], y[1]);
+	  *cosx = __kernel_sinl (y[0], y[1], 1);
+	  break;
+	}
+    }
+}
+weak_alias (__sincosl, sincosl)
diff --git a/sysdeps/ieee754/ldbl-96/s_sinl.c b/sysdeps/ieee754/ldbl-96/s_sinl.c
new file mode 100644
index 0000000000..4fd48805b4
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_sinl.c
@@ -0,0 +1,88 @@
+/* s_sinl.c -- long double version of s_sin.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* sinl(x)
+ * Return sine function of x.
+ *
+ * kernel function:
+ *	__kernel_sinl		... sine function on [-pi/4,pi/4]
+ *	__kernel_cosl		... cose function on [-pi/4,pi/4]
+ *	__ieee754_rem_pio2l	... argument reduction routine
+ *
+ * Method.
+ *      Let S,C and T denote the sin, cos and tan respectively on
+ *	[-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
+ *	in [-pi/4 , +pi/4], and let n = k mod 4.
+ *	We have
+ *
+ *          n        sin(x)      cos(x)        tan(x)
+ *     ----------------------------------------------------------
+ *	    0	       S	   C		 T
+ *	    1	       C	  -S		-1/T
+ *	    2	      -S	  -C		 T
+ *	    3	      -C	   S		-1/T
+ *     ----------------------------------------------------------
+ *
+ * Special cases:
+ *      Let trig be any of sin, cos, or tan.
+ *      trig(+-INF)  is NaN, with signals;
+ *      trig(NaN)    is that NaN;
+ *
+ * Accuracy:
+ *	TRIG(x) returns trig(x) nearly rounded
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __sinl(long double x)
+#else
+	long double __sinl(x)
+	long double x;
+#endif
+{
+	long double y[2],z=0.0;
+	int32_t n, se, i0, i1;
+
+    /* High word of x. */
+	GET_LDOUBLE_WORDS(se,i0,i1,x);
+
+    /* |x| ~< pi/4 */
+	se &= 0x7fff;
+	if(se < 0x3ffe || (se == 0x3ffe && i0 <= 0xc90fdaa2))
+	  return __kernel_sinl(x,z,0);
+
+    /* sin(Inf or NaN) is NaN */
+	else if (se==0x7fff) return x-x;
+
+    /* argument reduction needed */
+	else {
+	    n = __ieee754_rem_pio2l(x,y);
+	    switch(n&3) {
+		case 0: return  __kernel_sinl(y[0],y[1],1);
+		case 1: return  __kernel_cosl(y[0],y[1]);
+		case 2: return -__kernel_sinl(y[0],y[1],1);
+		default:
+			return -__kernel_cosl(y[0],y[1]);
+	    }
+	}
+}
+weak_alias (__sinl, sinl)
diff --git a/sysdeps/ieee754/ldbl-96/s_tanhl.c b/sysdeps/ieee754/ldbl-96/s_tanhl.c
new file mode 100644
index 0000000000..1e3dc3b613
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_tanhl.c
@@ -0,0 +1,95 @@
+/* s_tanhl.c -- long double version of s_tanh.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* tanhl(x)
+ * Return the Hyperbolic Tangent of x
+ *
+ * Method :
+ *				        x    -x
+ *				       e  - e
+ *	0. tanhl(x) is defined to be -----------
+ *				        x    -x
+ *				       e  + e
+ *	1. reduce x to non-negative by tanhl(-x) = -tanhl(x).
+ *	2.  0      <= x <= 2**-55 : tanhl(x) := x*(one+x)
+ *					         -t
+ *	    2**-55 <  x <=  1     : tanhl(x) := -----; t = expm1l(-2x)
+ *					        t + 2
+ *						      2
+ *	    1      <= x <=  23.0  : tanhl(x) := 1-  ----- ; t=expm1l(2x)
+ *						    t + 2
+ *	    23.0   <  x <= INF    : tanhl(x) := 1.
+ *
+ * Special cases:
+ *	tanhl(NaN) is NaN;
+ *	only tanhl(0)=0 is exact for finite argument.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double one=1.0, two=2.0, tiny = 1.0e-4900L;
+#else
+static long double one=1.0, two=2.0, tiny = 1.0e-4900L;
+#endif
+
+#ifdef __STDC__
+	long double __tanhl(long double x)
+#else
+	long double __tanhl(x)
+	long double x;
+#endif
+{
+	long double t,z;
+	int32_t se;
+	u_int32_t j0,j1,ix;
+
+    /* High word of |x|. */
+	GET_LDOUBLE_WORDS(se,j0,j1,x);
+	ix = se&0x7fff;
+
+    /* x is INF or NaN */
+	if(ix==0x7fff) {
+	    /* for NaN it's not important which branch: tanhl(NaN) = NaN */
+	    if (se&0x8000) return one/x-one;	/* tanhl(-inf)= -1; */
+	    else           return one/x+one;	/* tanhl(+inf)=+1 */
+	}
+
+    /* |x| < 23 */
+	if (ix < 0x4003 || (ix == 0x4003 && j0 < 0xb8000000u)) {/* |x|<23 */
+	    if ((ix|j0|j1) == 0)
+		return x;		/* x == +- 0 */
+	    if (ix<0x3fc8) 		/* |x|<2**-55 */
+		return x*(one+x);    	/* tanh(small) = small */
+	    if (ix>=0x3fff) {	/* |x|>=1  */
+		t = __expm1l(two*fabsl(x));
+		z = one - two/(t+two);
+	    } else {
+	        t = __expm1l(-two*fabsl(x));
+	        z= -t/(t+two);
+	    }
+    /* |x| > 23, return +-1 */
+	} else {
+	    z = one - tiny;		/* raised inexact flag */
+	}
+	return (se>0x7fff)? -z: z;
+}
+weak_alias (__tanhl, tanhl)
diff --git a/sysdeps/ieee754/ldbl-96/s_tanl.c b/sysdeps/ieee754/ldbl-96/s_tanl.c
new file mode 100644
index 0000000000..97a0b27f32
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_tanl.c
@@ -0,0 +1,81 @@
+/* s_tanl.c -- long double version of s_tan.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* tanl(x)
+ * Return tangent function of x.
+ *
+ * kernel function:
+ *	__kernel_tanl		... tangent function on [-pi/4,pi/4]
+ *	__ieee754_rem_pio2l	... argument reduction routine
+ *
+ * Method.
+ *      Let S,C and T denote the sin, cos and tan respectively on
+ *	[-PI/4, +PI/4]. Reduce the argument x to y1+y2 = x-k*pi/2
+ *	in [-pi/4 , +pi/4], and let n = k mod 4.
+ *	We have
+ *
+ *          n        sin(x)      cos(x)        tan(x)
+ *     ----------------------------------------------------------
+ *	    0	       S	   C		 T
+ *	    1	       C	  -S		-1/T
+ *	    2	      -S	  -C		 T
+ *	    3	      -C	   S		-1/T
+ *     ----------------------------------------------------------
+ *
+ * Special cases:
+ *      Let trig be any of sin, cos, or tan.
+ *      trig(+-INF)  is NaN, with signals;
+ *      trig(NaN)    is that NaN;
+ *
+ * Accuracy:
+ *	TRIG(x) returns trig(x) nearly rounded
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __tanl(long double x)
+#else
+	long double __tanl(x)
+	long double x;
+#endif
+{
+	long double y[2],z=0.0;
+	int32_t n, se;
+
+    /* High word of x. */
+	GET_LDOUBLE_EXP(se,x);
+
+    /* |x| ~< pi/4 */
+	se &= 0x7fff;
+	if(se <= 0x3ffe) return __kernel_tanl(x,z,1);
+
+    /* tan(Inf or NaN) is NaN */
+	else if (se==0x7fff) return x-x;		/* NaN */
+
+    /* argument reduction needed */
+	else {
+	    n = __ieee754_rem_pio2l(x,y);
+	    return __kernel_tanl(y[0],y[1],1-((n&1)<<1)); /*   1 -- n even
+							-1 -- n odd */
+	}
+}
+weak_alias (__tanl, tanl)
diff --git a/sysdeps/ieee754/ldbl-96/s_truncl.c b/sysdeps/ieee754/ldbl-96/s_truncl.c
new file mode 100644
index 0000000000..59c3b9c173
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_truncl.c
@@ -0,0 +1,57 @@
+/* Truncate argument to nearest integral value not larger than the argument.
+   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+long double
+__truncl (long double x)
+{
+  int32_t i0, j0;
+  u_int32_t se, i1;
+  int sx;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+  sx = se & 0x8000;
+  j0 = (se & 0x7fff) - 0x3fff;
+  if (j0 < 31)
+    {
+      if (j0 < 0)
+	/* The magnitude of the number is < 1 so the result is +-0.  */
+	SET_LDOUBLE_WORDS (x, sx, 0, 0);
+      else
+	SET_LDOUBLE_WORDS (x, se, i0 & ~(0x7fffffff >> j0), 0);
+    }
+  else if (j0 > 63)
+    {
+      if (j0 == 0x4000)
+	/* x is inf or NaN.  */
+	return x + x;
+    }
+  else
+    {
+      SET_LDOUBLE_WORDS (x, se, i0, i1 & ~(0xffffffffu >> (j0 - 31)));
+    }
+
+  return x;
+}
+weak_alias (__truncl, truncl)
diff --git a/sysdeps/ieee754/ldbl-96/strtold.c b/sysdeps/ieee754/ldbl-96/strtold.c
new file mode 100644
index 0000000000..cabb787d4e
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/strtold.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+/* The actual implementation for all floating point sizes is in strtod.c.
+   These macros tell it to produce the `long double' version, `strtold'.  */
+
+# define FLOAT		long double
+# define FLT		LDBL
+# ifdef USE_IN_EXTENDED_LOCALE_MODEL
+#  define STRTOF	__strtold_l
+# else
+#  define STRTOF	strtold
+# endif
+# define MPN2FLOAT	__mpn_construct_long_double
+# define FLOAT_HUGE_VAL	HUGE_VALL
+# define SET_MANTISSA(flt, mant) \
+  do { union ieee854_long_double u;					      \
+       u.d = (flt);							      \
+       if ((mant & 0x7fffffffffffffffULL) == 0)				      \
+	 mant = 0x4000000000000000ULL;					      \
+       u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000;	      \
+       u.ieee.mantissa1 = (mant) & 0xffffffff;				      \
+       (flt) = u.d;							      \
+  } while (0)
+
+# include "strtod.c"
diff --git a/sysdeps/ieee754/ldbl-96/w_expl.c b/sysdeps/ieee754/ldbl-96/w_expl.c
new file mode 100644
index 0000000000..b8152cea65
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/w_expl.c
@@ -0,0 +1,60 @@
+/* w_expl.c -- long double version of w_exp.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * wrapper expl(x)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+o_threshold=  1.135652340629414394949193107797076489134e4,
+  /* 0x400C, 0xB17217F7, 0xD1CF79AC */
+u_threshold= -1.140019167866942050398521670162263001513e4;
+  /* 0x400C, 0xB220C447, 0x69C201E8 */
+
+#ifdef __STDC__
+	long double __expl(long double x)	/* wrapper exp */
+#else
+	long double __expl(x)			/* wrapper exp */
+	long double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_expl(x);
+#else
+	long double z;
+	z = __ieee754_expl(x);
+	if(_LIB_VERSION == _IEEE_) return z;
+	if(__finitel(x)) {
+	    if(x>o_threshold)
+	        return __kernel_standard(x,x,206); /* exp overflow */
+	    else if(x<u_threshold)
+	        return __kernel_standard(x,x,207); /* exp underflow */
+	}
+	return z;
+#endif
+}
+weak_alias (__expl, expl)